class_docstr: Class to enable simple cosmological calculations.
  
  For a more full-featured cosmology package, see CosmoloPy [1]_
  
  Parameters
  ----------
  omegaM : float
      Matter Density. 0 <= omegaM <= 1
  omegaL : float
      Dark energy density. 0 <= omegaL <= 1
  h : float
      Hubble parameter, in units of 100 km/s/Mpc
  
  References
  ----------
  [1] http://roban.github.com/CosmoloPy/
docstr: Luminosity distance (Mpc) at redshift z
docstr_tok: ["Luminosity","distance","(","Mpc",")","at","redshift","z"]
code: def Dl(self, z):
      """Luminosity distance (Mpc) at redshift z"""
      return (1.0 + z) * self.Dm(z)
  
file_path: astroML/astroML/cosmology.py
imports: import numpy
  from scipy import integrate
  from astroML.utils import deprecated
  from astroML.utils.exceptions import AstroMLDeprecationWarning
label_desc: Use image node_id 5 for calling the Cosmology obj's underlying member method code with example usage: obj.Dl(z) and returns: unknown